PHSX 114 - Homework #13

PHSX 114 Homework - 1 A 1.60-m tall person lifts a 2.10-kg book from the ground so it is 2.20 m above the ground(a What is the potential energy of

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PHSX 114 – HOMEWORK # 13 Question 1: (2 points) A baseball (m = 140 g) traveling 25 m/s moves a fielder’s glove backward 24 cm when the ball is caught. What was the average force exerted by the ball on the glove? Enter scientific notation as 1.23E4. Number Units Question 2: (2 points) How high will a 1.89-kg rock go if thrown straight up by someone who does 88.0 J of work on it? Neglect air resistance. Number Units Question 3: (2 points)

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Unformatted text preview: 1 A 1.60-m tall person lifts a 2.10-kg book from the ground so it is 2.20 m above the ground. (a) What is the potential energy of the book relative to the ground? Number Units (b) What is the potential energy of the book relative to top of the person’s head? Number Units (c) How is the work done by the person related to the answers in parts (a) and (b)? same as (a) same as (b) average of (a) and (b) 2...
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This note was uploaded on 04/09/2008 for the course PHSX 114 taught by Professor Davis during the Spring '08 term at Kansas.

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PHSX 114 Homework - 1 A 1.60-m tall person lifts a 2.10-kg book from the ground so it is 2.20 m above the ground(a What is the potential energy of

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